1.
vague, hazy, obscure, indistinct
Lacking clear form or definition; unclear and indefinite. Used for ideas, feelings, or perceptions that are not well-defined.
漠然とした不安
a vague anxiety
Related Words
Synonym:
曖昧 (ambiguous (meaning))
Related:
ぼんやり (hazily)
Related:
朧げ (dim, faint)
Compare:
不明確 (unclear)